Aaron Ahlstrom, a 2014 Clackamas High School graduate who is courageously battling brain cancer, will kick off a memorable baseball-filled week Thursday at a Hillsboro Hops game.

The former baseball standout at Clackamas will throw out the first pitch before the Hops' game against Tri-City on Thursday at 7:05 p.m. at Ron Tonkin Field. Ahlstrom will then fly to New York to meet his favorite baseball team.

Ahlstrom, 18, was diagnosed with a cancerous tumor in the brain last fall.

The chance to throw out the first pitch in Hillsboro and then travel to New York was set up by the Make-A-Wish Foundation's Oregon chapter.

Ahlstrom's celebratory week marks a milestone for Make-A-Wish Oregon. Ahlstrom will be the 3,000th wish granted by Make-A-Wish Oregon since the chapter opened in 1983.

Ahlstrom, who also played varsity soccer and varsity basketball for Clackamas High School, has loved baseball since he began playing T-Ball in the first grade. According to his mother, Susanne, the ability to play baseball this past spring helped Ahlstrom's healing while he underwent cancer treatment.

"He's like a warrior," Susanne Ahlstrom told Make-A-Wish Oregon.

Along with throwing out the ceremonial first pitch on Thursday, Ahlstrom will get a chance to mingle with Hops players and coaches in the dugout before the game.